JP5942208B2 - 通信システムにおいてｍｕ−ｃｑｉをフィードバックする方法、およびユーザ機器 - Google Patents

通信システムにおいてｍｕ−ｃｑｉをフィードバックする方法、およびユーザ機器 Download PDF

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JP5942208B2
JP5942208B2 JP2014501393A JP2014501393A JP5942208B2 JP 5942208 B2 JP5942208 B2 JP 5942208B2 JP 2014501393 A JP2014501393 A JP 2014501393A JP 2014501393 A JP2014501393 A JP 2014501393A JP 5942208 B2 JP5942208 B2 JP 5942208B2
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user equipment
transmission point
cqi
signal
interference
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JP2014514816A (ja
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フイ トン
フイ トン
ミン スー
ミン スー
星野　正幸
正幸 星野
今村　大地
大地 今村
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サン パテント トラスト
サン パテント トラスト
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0238—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is an unwanted signal, e.g. interference or idle signal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2014501393A 2011-03-31 2011-03-31 通信システムにおいてｍｕ−ｃｑｉをフィードバックする方法、およびユーザ機器 Active JP5942208B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/072332 WO2012129803A1 (en) 2011-03-31 2011-03-31 Method of feeding back mu-cqi in a communication system, transmission point device, and user equipment

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2016087004A Division JP6376476B2 (ja) 2016-04-25 2016-04-25 送信ポイント装置およびｍｕ−ｃｑｉを受信する方法

Publications (2)

Publication Number Publication Date
JP2014514816A JP2014514816A (ja) 2014-06-19
JP5942208B2 true JP5942208B2 (ja) 2016-06-29

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Country Status (10)

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US (1) US9743304B2 (pt)
EP (1) EP2692070B1 (pt)
JP (1) JP5942208B2 (pt)
KR (1) KR101723263B1 (pt)
CN (1) CN103563268B (pt)
AU (1) AU2011363817B2 (pt)
BR (1) BR112013020655B1 (pt)
RU (1) RU2564532C2 (pt)
SG (1) SG192837A1 (pt)
WO (1) WO2012129803A1 (pt)

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US9847824B2 (en) 2013-07-29 2017-12-19 Panasonic Intellectual Property Corporation Of America Wireless communication method for reporting MU-CQI offset, user equipment and eNode B
JP6453760B2 (ja) * 2013-10-29 2019-01-16 京セラ株式会社 通信制御方法及び基地局
US20150263796A1 (en) * 2014-03-14 2015-09-17 Samsung Electronics Co., Ltd. Channel state information for reporting an advanced wireless communications system
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CN106160924B (zh) * 2015-04-07 2019-08-02 中国移动通信集团公司 一种信道状态信息反馈的方法、装置、终端及基站
CN106160925B (zh) * 2015-04-07 2019-08-16 上海诺基亚贝尔股份有限公司 用于多用户层叠传输的cqi增强的方法及装置
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Publication number Publication date
BR112013020655B1 (pt) 2021-09-21
JP2014514816A (ja) 2014-06-19
EP2692070A1 (en) 2014-02-05
SG192837A1 (en) 2013-09-30
CN103563268B (zh) 2017-06-23
AU2011363817A1 (en) 2013-08-01
RU2564532C2 (ru) 2015-10-10
WO2012129803A1 (en) 2012-10-04
US20130308488A1 (en) 2013-11-21
BR112013020655A2 (pt) 2016-10-18
CN103563268A (zh) 2014-02-05
KR20140009314A (ko) 2014-01-22
EP2692070A4 (en) 2015-05-20
US9743304B2 (en) 2017-08-22
RU2013138567A (ru) 2015-05-20
EP2692070B1 (en) 2019-11-20
BR112013020655A8 (pt) 2017-07-11
AU2011363817B2 (en) 2016-03-03
KR101723263B1 (ko) 2017-04-04

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